What is the differential material balance model for describing the concentration of dissolved solute A down the length of the tube? State three primary assumptions of your model. The model must at least contain the following variables: CAL*, CAL, kc, Z, V., D.

This equation describes the change in kinetic energy of the block due to the force exerted on it as it moves a horizontal distance Δx.

Kinetic energy is the energy an object has due to its motion. It is the energy that an object has because of its mass and velocity. Kinetic energy is measured in joules (J). Kinetic energy increases as the mass of the object increases and as the velocity of the object increases. For example, a car moving at 30 miles per hour has more kinetic energy than a car moving at 10 miles per hour.

The change in kinetic energy of the block can be calculated using the following equation:
ΔKE = (1/2)Mv2f - (1/2)Mv2i
Where M is the mass of the block, v2f is the final speed of the block, and v2i is the initial speed of the block.
To calculate the final speed of the block, we can use the equation below.
v2f = v2i + (2FAcosθΔx / M)
Where FA is the magnitude of the force, θ is the angle of the force, and Δx is the horizontal displacement of the block.
Using this equation and the equation for the change in kinetic energy, we can derive an equation for the change in the block’s kinetic energy as it moves a horizontal distance Δx.
ΔKE = (1/2)M[v2i+(2FAcosθΔx/M)]2 - (1/2)Mv2i
This equation can be simplified to:
ΔKE = (FAcosθΔx)v2i + (FAcosθΔx)2/2M
This equation describes the change in kinetic energy of the block due to the force exerted on it as it moves a horizontal distance Δx. The first term of this equation represents the increase in kinetic energy due to the increase in speed, while the second term represents the increase in kinetic energy due to the work done by the force.

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Answer:

Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever.

Answer:

Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever.

Explanation:

funny answer cuz peeps be lazy

Answer:

Waves and Energy:

The speed of a wave is dependant on four factors: wavelength, frequency, medium, and temperature. Wave speed is calculated by multiplying the wavelength times the frequency (speed = l * f).

Explanation:

brainlest pls if u can ty ! i hope its helped.

Answer:

The role of gravity, inertia and friction play different roles when a ball s thrown such as the following;

The thrown ball (which was initially at rest) is given its inertia by the force delivered to it (the ball) by the hand of the thrower of the ball

Force applied to the hand by the thrower of the ball has to have a balancing equal and opposite force (reaction force) for the person to remain in position (not skidding or falling over)

The reaction force mentioned above is transmitted from the hands through the body to the legs which rests on the ground

The leg pushes in the opposite direction in which the ball is thrown but due to combination of the gravity pull which is the weight which acts downward and the friction  resistance which acts sideways and increases proportionally with the weight of the thrower due to gravity, the reaction force in the leg is not able to overcome the frictional resistance force of the leg and the thrower remains upright while the throwing of the ball is successful

Gravity will then act on the ball to limit the distance traveled such that the ball will not wander away and could be directed at  desired target

Explanation:

Electric utility power blackouts will result in short electric power outages for the organization.

When the electrical power network, often known as the electrical grid, is down, there are power outages. Power outages can have a variety of causes, but they always tend to affect entire regions or cities rather than simply a single residence. For example, the Northeast blackout of 2003 left 50 million people without power from New York to Canada’s capital Ottawa.  

A place experiences a blackout when all power is lost. Power outages of this kind generally affect a sizable population over perhaps extraordinarily broad areas. Blackouts are particularly difficult to quickly fix because they typically result from significant damage to electrical generation facilities (such as structural damage from violent wind storms or lightning strikes). As a result, these types of outages can, in the worst-case scenarios, last for several weeks.

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Answer:

I thinl it is I'm not sure though

Answer:

Imma say false

Explanation:

Just my opinion

A leaky faucet drips once each second, we need to find out the time it will take for it to leak 500ft³ if 20 drops = 1 ml is as follow:

Step-by-step drop = 1/20 ml

Therefore, 1 ml = 20 drops

We need to find the volume of 500ft³ in ml:1 ft³ = 28.32 L1 L = 1000 ml

Therefore, 1 ft³ = 28.32 × 1000 ml500 ft³ = 14,160,000 ml

The number of drops in 14,160,000 ml = 14,160,000 × 20 = 283,200,000 drops Per second, the leaky faucet drips once.

Now calculating time:

Therefore, in a minute (60 seconds), it drips 60 times.

In an hour (60 minutes), it drips 60 × 60 = 3600 times.

In a day (24 hours), it drips 24 × 3600 = 86,400 times.

The number of days it will take to leak

500ft³ = 14,160,000 ml ÷ 86,400 drops/day

= 163.89 days or approximately 164 days.

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the characteristics of the a 10 L ideal gas vessel filled with it at a pressure of 10 atm and temperature of 300 K. any desired changes in the vessel's volume or pressure. 30L of liquid will be produced at constant pressure when the temperature is 200 k.

That amount of force delivered perpendicularly to an object's surface in relation to its area is known as pressure. Pressure is a force-area relationship; pressure = force area. Pascal is the SI pressure measurement (pa).

The formula for calculating pressure is P = F / A, or force for unit of the surface area. The SI unit in measuring pressure is the pascal, and the sign for pressure in physical science is p. (symbol: Pa). One Newton per sq.m of force exerted perpendicularly on a surface is equal to one pascal.

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Answer:

the helis speed increased its speed by 35 m/s. Unless you are asking me what was the speed per second. if you were asking me for the speed per second then that would be a different answer

Explanation:

Answer:

7 m/s ^2

Explanation:

a=  60 m/s - 25 m/s over 5 s

a= 35 m/s over  5 s

a= 7 m/s^2

A theory must meet certain requirements in order to be accepted as a physical law , 1. It must explain the available data 2. It need to offer hypotheses that can be verified by science.

A physical law outlines the broad relationships between and, when necessary, changes in the physical quantities that define the states of a physical system. Typically, this is described mathematically. These laws are also known as natural laws or are associated with them in the physical realm. A physical law applies with a very high probability when it falls within its scope of applicability. Physical experiments and observations that are specifically focused are used to test this validity range. The law is established if the outcomes match the predictions.

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Each tic mark indicates a time period of 9 seconds if the scale on the horizontal axis has a division of 9 seconds. As a result, the third tic point on the horizontal axis would denote the following period of time:

3 x 9 s = 27 s

Hence, 27 seconds are indicated by the third tic point on the horizontal axis.

It is true! The third tic point would represent three times nine seconds, or 27 seconds, as each tic mark on the horizontal axis denotes a time interval of nine seconds.Each tic mark indicates a time period of 9 seconds if the scale on the horizontal axis has a division of 9 seconds. As a result, the third tic point on the horizontal axis would denote the following period of time:Hence, 27 seconds are indicated by the third tic point on the horizontal axis.

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You have the following expression:

subtract 5 both sides of the equation:

Take into account that the absolute value of any number is equal to the same number but positive.

Then, you have:

and

Then, solve the previous equations:

5x - 8 = -27 add 8 both sides

5x = -27 + 8

5x = -19 divide by 5

x = -19/5

5x - 8 = 27 add 8 both sides

5x = 27 + 8

5x = 32 divide by 5

x = 32/5

Then, the solutions of the given equations are:

x = -19/5

x = 32/5

Answer: true

Explanation:

If the scale model was working as it was predicted to work, then the final product is expected to be flawless. It should be a reasonable product if the scale model is working. Our answer is the option True.

Answer:

work = 1275.3 J

Explanation:

work = (force)(distance)cosø ------- force = ma

=(mass*acceleration)(distance)cosø

=(20*9.81)(6.5)cos0

=1275.3J

nite that the angle of cosine is the difference between the angle of force and the distance. in this case, the force and the distance are in the same direction. :)

Answer:

east

Explanation:

15km east

_______________

              X________

                    8km west

so you are where the xX is so you are still in the eastward direction

Sigmund Freud sought to explore the inner world of the psyche, the realm of dreams, and the unconscious.

Sigmund Freud, an Austrian neurologist and the founder of psychoanalysis, dedicated his work to exploring the inner world of the psyche, including dreams and the unconscious. Freud believed that the human mind is composed of both conscious and unconscious elements, and he sought to understand the hidden motivations and processes that influence human behavior.

One of Freud's key contributions was his theory of the unconscious mind. According to Freud, the unconscious is a reservoir of thoughts, desires, memories, and emotions that are not readily accessible to conscious awareness. He believed that unconscious processes shape our thoughts, feelings, and behaviors, often in ways that we are unaware of.

Freud developed various techniques to explore the unconscious, such as free association and dream analysis. Through free association, he encouraged patients to speak freely and express their thoughts and associations without censorship, aiming to uncover hidden or repressed material that may be influencing their psychological well-being.

Dream analysis was another significant method used by Freud to explore the unconscious. He believed that dreams serve as a pathway to understanding unconscious desires, conflicts, and wishes. By analyzing the symbols and hidden meanings within dreams, Freud aimed to uncover the underlying thoughts and motivations that operate outside of conscious awareness.

By delving into the inner workings of the psyche and investigating the realms of dreams and the unconscious, Freud made significant contributions to the field of psychology and laid the foundation for psychoanalytic theory and practice.

Sigmund Freud is the influential figure who sought to explore the inner world of the psyche, including dreams and the unconscious. His work and theories, such as the concept of the unconscious mind and techniques like dream analysis, have had a lasting impact on the field of psychology and our understanding of the human mind.

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Answer:

Power = 130 watt

Explanation:

Power is described as the ability to do work, it is also defined as the amount of work in Joules done in a given time in seconds. Mathematically, it is represented as:

\(power = \frac{work (J)}{Time (s)}\)

In this example, power is calculated as follows:

Work = 39000 J

Time = 5 minutes

converting the time from minutes to seconds:

1 minute = 60 seconds

∴ 5 minutes = 60 × 5 = 300 seconds

\(\therefore power = \frac{39000}{300} \\power = 130 watt\)

N:B the unit for power can also be represented as Joules/seconds or J/s or JS⁻¹

Answer:

On Edg 2021, the answer was "B = The moon's orbital period and distance from Earth"

Explanation:

I hope this is correct for you, if it isn't I am very sorry. Good luck! :)

Newton's principles of motion and the universal law of gravitation can be used to derive Kepler's third law. Make the centripetal force equal to the force of gravity. The following expression, which may also be written as P2=42a3GM, can be obtained by inserting an expression for the planet's velocity: GMr=4r2P2. Thus, option B is correct.

Newton demonstrated that the force that causes something to fall toward the ground, like an apple, is the same force that causes the moon to orbit the Earth. The Sun, as well as any other star and its satellites, are affected by this universal force.

Newtonian physics and Kepler's laws serve as the foundation for planetary motion and orbital laws. Because these fundamental rules govern everything in the cosmos, they also govern how planets and artificial satellites move.

Therefore, If two things experience the same acceleration when the same force is applied to them, then they have the same inertial mass. Newton's second law makes use of the same mass.

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B

Explanation:

I suggest option B for you but you could research more on it

Answer:

B. Two ends of a bulb are attached to the positive and negative poles of the battery

Explanation:

An example of a project where an object with a high (k) value would be a benefit is one that has to do with the design of a rocket engine. Metals that have very high thermal conductivity are useful for building rocket engines. This is because of the amount of energy/heat that is required to be combusted by these parts to achieve a break from the earth's force field of gravity.

While engineering problems where having an object with a low (k) value would be a benefit is those that have to do with buildings. Buildings are made from concrete and brisk with have low thermal conductivity hence low

A k-value (also known as a k-factor or lambda value) is a measure of a material's thermal conductivity, or how quickly heat moves through it. It is a basic quality that is independent of material quantities.

Thermal conductivities of different building materials may be compared using k-values. This is often useful in determining the possibility of heat transmission between the inside and exterior of a structure.

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Constructive interference occurs when the phase difference is 2πn and destructive interference occurs when the phase difference is (2n+1)π.

The condition for destructive interference is that the path difference is equal to an integer multiple of one-half of the wavelength and the phase difference is an odd multiple of pi. Constructive interference occurs when the phase difference is 2πn, where n is an integer, and the path difference is an integer multiple of the wavelength (λ) of the waves, while destructive interference occurs when the phase difference is (2n+1)π, where n is an integer, and the path difference is an odd multiple of half the wavelength (λ/2) of the waves.

The conditions for constructive and destructive interference in terms of phase difference and path difference are given below:

Constructive Interference Condition:

Phase difference = 2πn

Path difference = nλ

where, n is an integer

Destructive Interference Condition: Phase difference = (2n+1)π

Path difference = (n+1/2)λ

where, n is an integer and λ is the wavelength of the waves.

Therefore, Constructive interference occurs when the phase difference is 2πn and  destructive interference occurs when the phase difference is (2n+1)π.

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C.S. Lewis believed that science and magic are distinct and incompatible ways of knowing and interacting with the world

C.S. Lewis believed that science and magic are distinct and incompatible ways of knowing and interacting with the world. Science is concerned with understanding the natural world through observation and experimentation, while magic is a form of supernatural power that operates outside the laws of nature.

Lewis also believed that science and magic have different ethical implications. Science is morally neutral, while the use of magic often has negative consequences and can lead to a desire for power and control.

In his fiction, such as the Chronicles of Narnia series, Lewis often used the contrast between science and magic to explore larger philosophical and spiritual themes.

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Answer:

30MPH

Explanation:

30/5 = 6 x 5 = 30 mph

Answer:

option A -It occurs when an object moves in any curved path around a point

Explanation:

4.

Given: Δd = 4 + 2 + 1 = 7km, Δt = 32 + 22 + 16 = 70mins

Required: V

Equation: V = Δd/Δt

Solution: V = 7/70

                  = 0.1km/min

Answer:

3,00,000

Explanation:

because 1 m =100m so, 3000x100=300000

The  pair of equations that could be used to find the tensions is given as

m3a3 = Tb & m2a2 = Ta - Tb

To find the force of tension in a string, we use the formula T = mg + ma.

We know that  tension is described as the pulling force transmitted axially by the means of a string, a rope, chain, or similar object, or by each end of a rod, truss member, or similar three-dimensional object; tension might also be described as the action-reaction pair of forces acting at each end of said elements.

If the three boxes are pulled to the left by strings with negligible mass on a horizontal surface, the masses of the boxes are m1, m2, and m3, where m3>m2>m1.  If the acceleration of the system and the pulling force  are known, the we have the tension equation is given as m3a3 = Tb & m2a2 = Ta - Tb.

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